WowAce

Inventory and bank organizer.

Pet Theory

Client for allowing the raid leader to gauge interest on items in a method similar to a ready-check.

Automatic Refilling of User Defined Items

Disease Tracker for Death Knights.

Leatherworking data for Ackis Recipe List.

Displays the locations of Garrison music scrolls.

Configuration library

Creates new chats with guild channel functionality

BiGOpt

Keeps track of healing spells cast by everyone in a group.

Cartographer_Mining

Provides access to all teleporting spells and items on right click of minimap button.

Options for TinyTip

Helper functions used by my addons, feel free to use them in your addon too

Bidder for DKP points. Usable as standalone bidder, or with DKP - Manager to manage points.

Static library of wow map data

BankAccountant

GemCensus inspects people and records which gems they have socketed. Then displays which gems are the most popular.

Generates and posts random Chuck Norris facts to a specified chat medium.